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. 2014 Oct 20;1(1):27–35. doi: 10.1093/rb/rbu010

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© The Author(s) 2014. Published by Oxford University Press.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 5. — IR spectra of MTX, mPEG-HPG-g-U and MTX-loaded NPs (upper) and ¹H NMR spectra in CDCl₃ of DPA (red), U-C₁₈ (black) and the mixture of DPA and U-C₁₈ (below).